Superfund Sites in Reuse in Arizona
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Apache Powder Co.
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Luke Air Force Base
The 4,198-acre Luke Air Force Base (LAFB) Superfund site is located in Glendale, Arizona. About 4,900 people live and work at the active fighter pilot training base, which also includes runways, airfields and aircraft maintenance facilities. In 1987, ground water tested positive for numerous hazardous contaminants including solvents, paint, waste oil, petroleum and radiological waste. About 32 areas of the base were subject to investigation. EPA added the site to the National Priorities List (NPL) in 1990. The LAFB site participated in the Installation Restoration Program, a program established by the U.S. Department of Defense (DoD) in 1978 to identify, investigate and control the migration of hazardous contaminants at military facilities. In 1990, the DoD signed a Federal Facilities Agreement to conduct the site cleanup plan. The remedy targeted soil remediation through excavation, installation of a soil vapor extraction system and a concrete landfill cover, and land use restrictions. EPA deleted the site from the NPL in 2002. The LAFB remains an active military base with housing, recreational fields, administrative buildings and military personnel support facilities.
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Motorola, Inc. (52nd Street Plant)
Motorola, Inc. (52nd Street Plant)The Motorola, Inc. (52nd Street Plant) Superfund site is located in Phoenix, Arizona. EPA defines the site generally by the extent of impacted groundwater that underlies a 7-mile stretch spanning from downtown Phoenix to just east of Sky Harbor Airport. Land use includes a mixture of residential, commercial and industrial uses. The former Motorola 52nd Street Plant, a 90-acre closed semiconductor manufacturing plant, is located within the site. The Honeywell International facility, a 118-acre aerospace manufacturing plant is also located within the site. In 1982, Motorola discovered an underground storage tank leaking at its facility. Further investigations identified soil and groundwater contaminated with a variety of solvents that Motorola used in its semiconductor manufacturing operations. EPA added the site to the Superfund program’s National Priorities List (NPL) in 1989. Motorola (now Freescale Semiconductor) began operating one groundwater treatment system in 1992. Motorola and Honeywell International began operating another groundwater treatment system in 2001. Motorola also treated contaminated soil in 1996 and 1997. Since 2011, EPA and Freescale have conducted a residential vapor intrusion investigation and installed mitigation at 15 residences in Operable Unit 1. The former Motorola facility vapor intrusion investigation will begin in 2015. Separately, the OU2 residential vapor intrusion investigation will begin in 2015. EPA, the State and the site parties are also evaluating other potential sources of contamination. EPA’s cleanup will allow the mixture of commercial, residential and industrial land use to continue during cleanup activities.
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Phoenix-Goodyear Airport Area
Phoenix-Goodyear Airport AreaThe Phoenix-Goodyear Airport (PGA) Area Superfund site is located in Maricopa County, Arizona about 17 miles west of downtown Phoenix. The site includes two areas: PGA-North and PGA-South. PGA-North is the location of the former Unidynamics facility. This part of the site includes three unused parcels owned by the Crane Company. These parcels are zoned for industrial/commercial use in the City of Goodyear. PGA-South includes the Phoenix-Goodyear Airport and adjacent commercial and industrial properties, owned by JRC Goodyear. PGA-South is the site of the former Litchfield Naval Air Facility. In 1981, the state identified contaminated groundwater and soil near the airport. Maintaining and operating military aircraft at the former Naval Air Facility and researching and manufacturing military detonators and explosives at the Unidynamics facility led to contamination. In 1983, EPA added the site to the Superfund program’s National Priorities List (NPL). Site cleanup includes treating groundwater, extracting soil vapor, and removing and capping the contaminated soil. Cleanup activities on various portions of the site continue, including a newly amended ROD for in-situ treatment at the PGA-North Main Drywells Source Area. A manufacturer of prefabricated homes is located on property adjacent to the airport. More recent airport tenants include two airline flight schools and an aircraft maintenance company. The Phoenix-Goodyear Airport contributes an estimated $200 million a year to the local economy.
For more information:
- Reuse and the Benefit to Community: Phoenix-Goodyear Airport Area (2015) (PDF)(18 pp, 968 K, About PDF)
- Superfund Site Profile Page
Tucson International Airport Area
Tucson International Airport AreaThe 10-square-mile Tucson International Airport Area (TIAA) Superfund site is located in Tucson, Arizona. The site includes the Tucson International Airport, portions of the Tohono O’odham Indian Reservation, residential areas of Tucson and South Tucson and the Air Force Plant #44 Raytheon Missile Systems Company (AFP44). At least 20 facilities have operated on the site area since 1942, including aircraft and electronics facilities, fire drill training areas and unlined landfills. Industrial use and disposal of wastes began in the 1940s and 1950s. Because of widespread groundwater and soil contamination, EPA added the site to the Superfund program’s National Priorities List (NPL) in 1983. Cleanup includes groundwater treatment at AFP44 since 1987 and at the airport since 1994. Soil treatment is ongoing. Tucson International Airport remains operational. Other activities on the TIAA site include machining, surface preparation, surface coating, metal plating and missile parts assembly.
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